Substrade: IR infrared filter; Name: tempered infrared HB630 RG630 optical filter glass; Surface quality: common 60-40 or 20-10 to 80/50; Port: shanghai; Use: optical IR infrared instruments; Place of Origin: Jiangsu China; Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,credit card; Supply..